Order Summary for Gasterosteiformes

Orde Overzicht for Gasterosteiformes
Hoofdreferentie	:	Nelson, J.S., 1994
Orde	:	Gasterosteiformes sticklebacks and seamoths
Klasse	:	Teleostei
Zusterorde	:	Syngnathiformes 15 M years
Ref.	:	Carroll, R., 1988 \| Helfman, G., B. Collette and D. Facey, 1997
Eerste fossiele gegevens	:	late Tertiary
Voorkomend in	:		Marien	Zoet water	Brak water
Opmerking	:	Pelvic girdle never attached directly to the cleithra; supramaxillary, orbitosphenoid, and basisphenoid absent; postcleithrum a single bone or absent; branchiostegal rays 1-5; body often with armor of dermal plates; mouth usually small. About 19 species are restricted to freshwater, and another 40 species are found in brackish water (some being variously diadromous or at lest able to commonly enter freshwater and marine water).
Klasse Etymologie	:	Greek aktis = ray, thunderbolt, beam + Greek pterygion, diminutive of pteryx = wing, fin. Ref. 45335.
Orde Etymologie	:	Greek, gaster = stomach + Greek, + Greek, osteon = bone + Latin, forma = shape (Ref. 45335).
Families	:	( n = 5 )